changeInstructionsIconsStyles
Changes the InstructionsIconsStyles used for navigation instructions icons during a session. Can be called after startSession to dynamically update the icon styles. The new styles will take effect on the next instruction event.
Return
an Error if Navigation is not initialized, null otherwise.
Parameters
instructionsIconsStyles
the new styles for instructions icons (symbolic maneuvers and signposts). If null, maneuver/signpost icons will no longer be provided in InstructionsListener.onNewInstruction.